Displaying 2 results from an estimated 2 matches for "zio_write".
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io_write
2007 Aug 14
2
IO error on mount for encrypted dataset
...flushed for a dataset when it is unmounted ?
What does change when a dataset is unmounted ?
The context of the problem is this:
create a pool,
provide the pool encryption key,
create a dataset with encryption turned on,
put data into that dataset
I see it getting encrypted and written to disk by zio_write,
zfs umount -a
zfs mount -a
I can read the data back - yeah!.
However if I export the pool and then reimport it the mount fails with
an IO error (and yes I did remember to give the pool the key again).
A little dtracing shows me that a zap_lookup of VERSION for the
encrypted dataset is returni...
2009 Jun 10
6
Asymmetric mirroring
Hello everyone,
I''m wondering if the following makes sense:
To configure a system for high IOPS, I want to have a zpool of 15K RPM SAS
drives. For high IOPS, I believe it is best to let ZFS stripe them, instead
of doing a raidz1 across them. Therefore, I would like to mirror the drives
for reliability.
Now, I''m wondering if I can get away with using a large capacity 7200